diff --git a/.travis.yml b/.travis.yml
index dc5dfb4..bb762e2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,6 @@ go:
 sudo: required
 
 before_install:
-  # create /tmp for unit test.
   - sudo chown -R travis /tmp
 script:
   - make
diff --git a/README.md b/README.md
index b0ec320..02741f5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 ![](docs/img/kingbus_logo.png)
 
 [![Go Report Card](https://goreportcard.com/badge/github.com/flike/kingbus)](https://goreportcard.com/report/github.com/flike/kingbus)
+[![Build Status](https://travis-ci.org/flike/kingbus.svg?branch=master)](https://travis-ci.org/flike/kingbus)
 
 ## What is kingbus? [中文](README_ZH.md)
 Kingbus is a distributed MySQL binlog store based on raft. Kingbus can act as a slave to the real master and as a master to the slaves in the same way as an intermediate MySQL master does. Kingbus has the following key features:
diff --git a/README_ZH.md b/README_ZH.md
index e0bcb81..8545f12 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -1,6 +1,7 @@
 ![](docs/img/kingbus_logo.png)
 
 [![Go Report Card](https://goreportcard.com/badge/github.com/flike/kingbus)](https://goreportcard.com/report/github.com/flike/kingbus)
+[![Build Status](https://travis-ci.org/flike/kingbus.svg?branch=master)](https://travis-ci.org/flike/kingbus)
 
 # kingbus简介
 
diff --git a/docs/img/kingbus_logo.png b/docs/img/kingbus_logo.png
index b747c2f..ed8acd9 100644
Binary files a/docs/img/kingbus_logo.png and b/docs/img/kingbus_logo.png differ